CN211926188U - Data center waste heat recovery utilizes system based on distributed energy - Google Patents
Data center waste heat recovery utilizes system based on distributed energy Download PDFInfo
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- CN211926188U CN211926188U CN201921992617.0U CN201921992617U CN211926188U CN 211926188 U CN211926188 U CN 211926188U CN 201921992617 U CN201921992617 U CN 201921992617U CN 211926188 U CN211926188 U CN 211926188U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a data center waste heat recovery utilizes system based on distributed energy, including internal-combustion engine, flue gas hot water type lithium bromide unit, plate heat exchanger, data center, waste heat recoverer, photovoltaic/wind power generation system, storage battery, first heater, temperature indicator, second heater, heat storage water tank, third heater and hot water type lithium bromide unit; this system combines together data center distributing type energy supply system and data center waste heat recovery system, can effectively retrieve gas distributing type energy supply system waste heat, data center waste heat resource, realize that renewable energy and gas distributing type energy supply system want the coupling simultaneously, realize data center waste heat recovery and recycle, improve distributed energy station comprehensive energy utilization efficiency, effectively reduce data center energy supply cost, have important meaning.
Description
Technical Field
The utility model belongs to the distributed energy field, concretely relates to data center waste heat recovery utilizes system based on distributed energy.
Background
The data center is a service platform for realizing functions of centralized processing, storage, transmission and the like of data information, and has the characteristics of high power consumption density, large cold consumption demand, high energy supply reliability requirement and the like. Influenced by the development of information technologies such as cloud computing, big data and mobile internet, the demand of the data center is continuously and rapidly increased.
At present, the power consumption of a data center accounts for about 2% of the power consumption of the whole society, and due to high energy consumption of the data center, the construction scale of the data center is strictly controlled by front-line cities such as Beijing, Shanghai and Shenzhen, or developed provinces such as Zhejiang and Jiangsu, and the scale, the Power Utilization Efficiency (PUE), the utilization rate of renewable energy and the like of a newly-built data center are clearly limited.
The gas distributed energy supply system is constructed for the data center in a matched mode, the gas distributed energy supply system supplies cold and electricity to the data center in a combined mode, energy gradient utilization and power consumption on the spot are achieved, and accordingly the PUE value of the data center is reduced, and the data center becomes an industry research hotspot.
The exhaust gas temperature of the gas distributed energy supply system is generally 120-140 ℃, and partial waste heat can be recycled; a large amount of heat is discharged outdoors in the cooling process of the data center, and the large amount of heat cannot be utilized. Meanwhile, the auxiliary area of the data center needs to consume energy to supply sanitary hot water and supply heat in winter, and under the background, the waste heat recovery is carried out on the distributed energy supply system of the data center, so that the data center has great practical significance in energy conservation and consumption reduction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a data center waste heat recovery utilizes system based on distributed energy to data center energy supply system. The system can combine a data center distributed energy supply system with a data center waste heat recovery system, realizes the recycling of waste heat of the data center, improves the comprehensive energy utilization efficiency of the distributed energy station, and reduces the energy supply cost of the data center.
The utility model provides a technical scheme that above-mentioned problem adopted is: a data center waste heat recycling system based on distributed energy is characterized by comprising an internal combustion engine, a smoke hot water type lithium bromide unit, a plate heat exchanger, a data center, a waste heat recoverer, a photovoltaic/wind power generation system, a storage battery pack, a first heater, a temperature indicator, a second heater, a heat storage water tank, a third heater and a hot water type lithium bromide unit; a high-temperature flue gas outlet of the internal combustion engine is connected with a high-temperature flue gas inlet of a flue gas hot water type lithium bromide unit through a flue gas pipeline, a high-temperature cylinder sleeve water outlet of the internal combustion engine is connected with a hot water inlet of the flue gas hot water type lithium bromide unit through a hot water pipeline, and a hot water outlet of the flue gas hot water type lithium bromide unit is connected with a cylinder sleeve water inlet of the internal combustion engine through a water return pipeline; the system comprises a flue gas hot water type lithium bromide unit, a plate type heat exchanger, a chilled water return pipeline, a first circulating pump, a second circulating pump and a third circulating pump, wherein a chilled water outlet of the flue gas hot water type lithium bromide unit is connected with a chilled water inlet of the plate type heat exchanger through the chilled water supply pipeline; the water outlet of the plate heat exchanger is connected with an air-conditioning water channel of the data center, the water outlet of the data center is divided into two paths after being connected with the second circulating pump, one path of the water outlet is connected with a hot water inlet of the plate heat exchanger through a pipeline, the other path of the water outlet is connected with an inlet of the first valve through a pipeline, an outlet of the first valve is connected with a hot water inlet of the waste heat recoverer, a hot water outlet of the waste heat recoverer is connected with a hot water inlet of the first heater, and a smoke inlet of the waste heat recoverer is connected with a smoke discharge port of the smoke hot water type lithium.
Furthermore, the photovoltaic/wind power generation system is connected with a storage battery pack, the storage battery pack is connected with a first heater, a temperature indicator is connected with an outlet of the first heater, an inlet of a second heater is connected with the temperature indicator, an outlet of the second heater is connected with an inlet of a heat storage water tank through a hot water pipeline, an outlet of the heat storage water tank is divided into two ways, one way is a heat supply pipeline and leads to a domestic hot water heat supply pipeline and a winter office heating pipeline of a data center, the other way is connected with an inlet of a second valve, an outlet of the second valve is connected with an inlet of a third heater, an outlet of the third heater is connected with a hot water inlet of a hot water type lithium bromide unit, and a hot water outlet of the hot water type lithium bromide unit is connected with an inlet of the heat storage water tank through a hot water pipeline.
Furthermore, the chilled water outlet of the hot water type lithium bromide unit is connected with the inlet of a third circulating pump, the outlet of the third circulating pump is connected with the cold water inlet of the plate heat exchanger, and the chilled water return inlet of the hot water type lithium bromide unit is connected with the outlet of the first circulating pump.
Further, the photovoltaic/wind power generation system is any one of a photovoltaic power generation system and a wind power generation system, or both of the photovoltaic power generation system and the wind power generation system exist at the same time; the third heater is preferably a heat pump system.
Compared with the prior art, the utility model, have following advantage and effect: data center waste heat recovery utilizes system based on distributed energy, this system can further excavate and utilize the waste heat that distributed energy station afterbody was discharged fume, improves the comprehensive energy utilization efficiency at distributed energy station, excavates simultaneously and utilizes data center self heat, realizes data center energy saving and consumption reduction.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the system comprises an internal combustion engine 1, a smoke hot water type lithium bromide unit 2, a first circulating pump 3, a plate heat exchanger 4, a second circulating pump 5, a data center 6, a first valve 7, a waste heat recoverer 8, a photovoltaic/wind power generation system 9, a storage battery pack 10, a first heater 11, a temperature indicator 12, a second heater 13, a heat storage water tank 14, a second valve 15, a third heater 16, a hot water type lithium bromide unit 17 and a third circulating pump 18.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the data center waste heat recycling system based on distributed energy in this embodiment includes an internal combustion engine 1, a flue gas hot water type lithium bromide unit 2, a plate heat exchanger 4, a data center 6, a waste heat recoverer 8, a photovoltaic/wind power generation system 9, a storage battery pack 10, a first heater 11, a temperature indicator 12, a second heater 13, a hot water storage tank 14, a third heater 16, and a hot water type lithium bromide unit 17.
A high-temperature flue gas outlet of the internal combustion engine 1 is connected with a high-temperature flue gas inlet of the flue gas hot water type lithium bromide unit 2 through a flue gas pipeline, a high-temperature cylinder sleeve water outlet of the internal combustion engine 1 is connected with a hot water inlet of the flue gas hot water type lithium bromide unit 2 through a hot water pipeline, and a hot water outlet of the flue gas hot water type lithium bromide unit 2 is connected with a cylinder sleeve water inlet of the internal combustion engine 1 through a water return pipeline; a chilled water outlet of the flue gas hot water type lithium bromide unit 2 is connected with a chilled water inlet of the plate heat exchanger 4 through a chilled water supply pipeline, a chilled water outlet of the plate heat exchanger 4 is connected with an inlet of the first circulating pump 3 through a chilled water return pipeline, and an outlet of the first circulating pump 3 is connected with a chilled water return inlet of the flue gas hot water type lithium bromide unit 2; the water outlet of the plate heat exchanger 4 is connected with the air-conditioning water channel of the data center 6, the water outlet of the data center 6 is divided into two paths after being connected with the second circulating pump 5, one path is connected with the hot water inlet of the plate heat exchanger 4 through a pipeline, the other path is connected with the inlet of the first valve 7 through a pipeline, the outlet of the first valve 7 is connected with the hot water inlet of the waste heat recoverer 8, the hot water outlet of the waste heat recoverer 8 is connected with the hot water inlet of the first heater 11, and the smoke inlet of the waste heat recoverer 8 is connected with the smoke discharge port of the smoke hot water type lithium bromide unit 2.
The photovoltaic/wind power generation system 9 is connected with a storage battery pack 10, the storage battery pack 10 is connected with a first heater 11, a temperature indicator 12 is connected with an outlet of the first heater 11, an inlet of a second heater 13 is connected with the temperature indicator 12, an outlet of the second heater 13 is connected with an inlet of a heat storage water tank 14 through a hot water pipeline, an outlet of the heat storage water tank 14 is divided into two paths, one path is a heat supply pipeline and leads to a domestic hot water heat supply pipeline and a winter office heating pipeline of a data center, the other path is connected with an inlet of a second valve 15, an outlet of the second valve 15 is connected with an inlet of a third heater 16, an outlet of the third heater 16 is connected with a hot water inlet of a hot water type lithium bromide unit 17, and a hot water outlet of the hot water type lithium bromide unit 17 is connected with an inlet of the.
The chilled water outlet of the hot water type lithium bromide unit 17 is connected with the inlet of the third circulating pump 18, the outlet of the third circulating pump 18 is connected with the cold water inlet of the plate heat exchanger 4, and the chilled water return water inlet of the hot water type lithium bromide unit 17 is connected with the outlet of the first circulating pump 3.
The working method comprises the following steps: the internal combustion engine 1 consumes natural gas to generate electricity and heat, the generated electricity is directly connected to the internet or directly supplies power to the data center 6, the generated high-temperature smoke (the full load is 370-390 ℃, the low load is 430-480 ℃) is led to the smoke hot water type lithium bromide unit 2 through a smoke pipeline, and high-temperature cylinder sleeve water (the temperature is about 95 ℃) is led to the smoke hot water type lithium bromide unit 2 through a hot water pipeline. The flue gas (120-160 ℃) used by the flue gas hot water type lithium bromide unit 2 enters a waste heat recoverer 8 through a smoke exhaust pipeline; the used cylinder jacket water (about 80 ℃) returns to the internal combustion engine 1 through a water return pipeline for recycling.
The flue gas hot water type lithium bromide unit 2 utilizes chilled water (5 ℃) generated by high-temperature flue gas and high-temperature cylinder sleeve water to generate chilled water, the chilled water enters the plate heat exchanger 4 through a chilled water supply pipeline, the water temperature is changed into 12 ℃ after heat exchange in the plate heat exchanger 4, and the chilled water returns to the flue gas hot water type lithium bromide unit 2 after passing through the first circulating pump 3 along a chilled water return pipeline.
The other side of the plate type heat exchanger 4 is refrigerating water for the data center 6, the temperature of the cooling water after heat exchange is 18 ℃, the cooling water enters the data center 6 along a data center air conditioning water channel for circulating refrigeration, the temperature of water discharged from the data center 6 is increased to 25 ℃, most of water returns to the plate type heat exchanger 4 after passing through the second circulating pump 5 for heat exchange, and the rest water enters the waste heat recoverer 8 after passing through the first valve 7 for recovering the waste heat of the flue gas.
The temperature of the flue gas discharged from the flue gas hot water type lithium bromide unit 2 is reduced to 50-60 ℃ after passing through the waste heat recoverer 8, the temperature of the flue gas after passing through the waste heat recoverer 8 is increased to 30-40 ℃, and then the flue gas enters the first heater 11.
A distributed photovoltaic power generation system or a distributed wind power generation system is built by utilizing a data center roof, walls and suitable areas of a data center factory building open space, and generated power enters a storage battery pack 10 to be stored due to the intermittency and instability of photovoltaic power generation and wind power generation. The battery pack 10 is used as a first heater driving heat source to heat the water from the waste heat recovery unit 8, and the water temperature is increased again. The heated water passes through the temperature indicator 12 after coming out of the outlet of the first heater 11 and then enters the second heater 13, and if the temperature indicated by the temperature indicator 12 is lower than 60 ℃, the second heater 13 heats the water again to increase the water temperature to 60 ℃.
The hot water is delivered to the heat storage water tank 14 through a pipeline after coming out of the second heater 13 for storage, and the hot water in the heat storage water tank 14 is delivered through a hot water pipeline to supply hot water for life of the data center 6 all the year round and meet the requirement of office heating in winter. If the amount of hot water generated by the system is sufficient, the excess heat water enters the third heater 16 through the second valve 15, then the temperature of the hot water is further increased to about 85 ℃, and the hot water is output to the hot water type lithium bromide unit 17. The third heater 16 is preferably a heat pump system, the low-temperature side of which inputs the return water of the cooling water of the data center and outputs the return water as the cooling water of the data center 6 for water supply;
the 85 ℃ hot water is used as a driving heat source of the hot water type lithium bromide unit 17 to drive the unit to operate, then the temperature is reduced to 60 ℃, and the hot water is sent back to the heat storage water tank 14 through a pipeline.
Chilled water (5 ℃) generated by the hot water type lithium bromide unit 17 is delivered into the plate heat exchanger 4 through the third circulating pump 18, and the chilled water backwater (12 ℃) passing through the plate heat exchanger 4 returns to the hot water type lithium bromide unit 17 after passing through the first circulating pump 3.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.
Claims (4)
1. A data center waste heat recycling system based on distributed energy is characterized by comprising an internal combustion engine (1), a smoke hot water type lithium bromide unit (2), a plate heat exchanger (4), a data center (6), a waste heat recoverer (8), a photovoltaic/wind power generation system (9), a storage battery pack (10), a first heater (11), a temperature indicator (12), a second heater (13), a heat storage water tank (14), a third heater (16) and a hot water type lithium bromide unit (17); a high-temperature flue gas outlet of the internal combustion engine (1) is connected with a high-temperature flue gas inlet of the flue gas hot water type lithium bromide unit (2) through a flue gas pipeline, a high-temperature cylinder sleeve water outlet of the internal combustion engine (1) is connected with a hot water inlet of the flue gas hot water type lithium bromide unit (2) through a hot water pipeline, and a hot water outlet of the flue gas hot water type lithium bromide unit (2) is connected with a cylinder sleeve water inlet of the internal combustion engine (1) through a water return pipeline; a chilled water outlet of the flue gas hot water type lithium bromide unit (2) is connected with a chilled water inlet of the plate heat exchanger (4) through a chilled water supply pipeline, a chilled water outlet of the plate heat exchanger (4) is connected with an inlet of the first circulating pump (3) through a chilled water return pipeline, and an outlet of the first circulating pump (3) is connected with a chilled water return inlet of the flue gas hot water type lithium bromide unit (2); the air conditioner water channel of delivery port and data center (6) of plate heat exchanger (4) links to each other, divide into two the tunnel after the delivery port and second circulating pump (5) of data center (6) link to each other, and one way links to each other through the hot water entry of pipeline and plate heat exchanger (4), and another way links to each other through the entry of pipeline and first valve (7), the export of first valve (7) links to each other with the hot water entry of waste heat recoverer (8), the hot water export of waste heat recoverer (8) links to each other with the hot water entry of first heater (11), the flue gas entry of waste heat recoverer (8) links to each other with the exhanst gas discharge port of flue gas hot water type lithium bromide unit (2).
2. The data center waste heat recycling system based on distributed energy according to claim 1, wherein the photovoltaic/wind power generation system (9) is connected with a storage battery (10), the storage battery (10) is connected with a first heater (11), the temperature indicator (12) is connected with an outlet of the first heater (11), an inlet of a second heater (13) is connected with the temperature indicator (12), an outlet of the second heater (13) is connected with an inlet of a heat storage water tank (14) through a hot water pipeline, an outlet of the heat storage water tank (14) is divided into two ways, one way is a heat supply pipeline which leads to a domestic hot water heat supply pipeline and an office winter heating pipeline of the data center, the other way is connected with an inlet of a second valve (15), an outlet of the second valve (15) is connected with an inlet of a third heater (16), an outlet of the third heater (16) is connected with a hot water inlet of a hot water type lithium bromide unit (17), and a hot water outlet of the hot water type lithium bromide unit (17) is connected with an inlet of the heat storage water tank (14) through a hot water pipeline.
3. The data center waste heat recycling system based on distributed energy according to claim 1, wherein a chilled water outlet of the hot water type lithium bromide unit (17) is connected with an inlet of a third circulating pump (18), an outlet of the third circulating pump (18) is connected with a cold water inlet of the plate heat exchanger (4), and a chilled water return inlet of the hot water type lithium bromide unit (17) is connected with an outlet of the first circulating pump (3).
4. The distributed energy based data center waste heat recovery and utilization system of claim 2, wherein the photovoltaic/wind power generation system (9) is either one of a photovoltaic power generation system and a wind power generation system, or both; the third heater (16) is a heat pump system.
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| CN201921992617.0U CN211926188U (en) | 2019-11-18 | 2019-11-18 | Data center waste heat recovery utilizes system based on distributed energy |
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| CN201921992617.0U CN211926188U (en) | 2019-11-18 | 2019-11-18 | Data center waste heat recovery utilizes system based on distributed energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986419A (en) * | 2019-11-18 | 2020-04-10 | 华电电力科学研究院有限公司 | Data center waste heat recycling system and method based on distributed energy |
| CN113743647A (en) * | 2021-07-29 | 2021-12-03 | 上海幸颐智能科技有限公司 | Data center energy consumption control system |
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2019
- 2019-11-18 CN CN201921992617.0U patent/CN211926188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986419A (en) * | 2019-11-18 | 2020-04-10 | 华电电力科学研究院有限公司 | Data center waste heat recycling system and method based on distributed energy |
| CN113743647A (en) * | 2021-07-29 | 2021-12-03 | 上海幸颐智能科技有限公司 | Data center energy consumption control system |
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